%%--------------------------------------------------------------------
%% Copyright (c) 2020-2022 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_prometheus_schema).

-include_lib("hocon/include/hoconsc.hrl").
-include_lib("typerefl/include/types.hrl").

-behaviour(hocon_schema).

-export([
    namespace/0,
    roots/0,
    fields/1,
    desc/1
]).

namespace() -> "prometheus".

roots() -> ["prometheus"].

fields("prometheus") ->
    [
        {push_gateway_server,
            ?HOCON(
                string(),
                #{
                    default => "http://127.0.0.1:9091",
                    required => true,
                    desc => ?DESC(push_gateway_server)
                }
            )},
        {interval,
            ?HOCON(
                emqx_schema:duration_ms(),
                #{
                    default => "15s",
                    required => true,
                    desc => ?DESC(interval)
                }
            )},
        {enable,
            ?HOCON(
                boolean(),
                #{
                    default => false,
                    required => true,
                    desc => ?DESC(enable)
                }
            )}
    ].

desc("prometheus") -> ?DESC(prometheus);
desc(_) -> undefined.
